Single-Step Exposure for Two-Dimensional Tunable Liquid Crystal Grating

SONG Jing; ZHENG Zhi-gang; LIU Yong-gang; XUAN Li

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Single-Step Exposure for Two-Dimensional Tunable Liquid Crystal Grating

Device Technology & Physics | 更新时间：2020-08-12

- Single-Step Exposure for Two-Dimensional Tunable Liquid Crystal Grating
- Chinese Journal of Liquid Crystals and Displays Vol. 24, Issue 6, Pages: 827-830(2009)
- 作者机构：
  
  1. 中国科学院研究生院, 北京 100039
  2. 中国科学院长春光学精密机械与物理研究所应用光学实验室,吉林长春,130033
  3. 长春理工大学材料科学与工程学院,吉林长春 130022,E-mail:songjing1202@sina.com
- 作者简介：
- 基金信息：
- DOI：
  CLC： null
- Received：27 April 2009，
  
  Revised：02 January 1900，
  
  Published Online：30 December 2009，
  
  Published：30 December 2009
- 稿件说明：
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宋静;郑致刚;刘永刚;宣丽. 一次曝光法制备二维可调谐液晶光栅[J]. 液晶与显示, 2009,24(6): 827-830

SONG Jing;ZHENG Zhi-gang;LIU Yong-gang;XUAN Li. Single-Step Exposure for Two-Dimensional Tunable Liquid Crystal Grating[J]. 液晶与显示, 2009,24(6): 827-830
宋静;郑致刚;刘永刚;宣丽. 一次曝光法制备二维可调谐液晶光栅[J]. 液晶与显示, 2009,24(6): 827-830 DOI：

SONG Jing;ZHENG Zhi-gang;LIU Yong-gang;XUAN Li. Single-Step Exposure for Two-Dimensional Tunable Liquid Crystal Grating[J]. 液晶与显示, 2009,24(6): 827-830 DOI：

摘要

设计了全息光路

采用一次曝光方法制备了基于聚合物分散液晶材料体系的二维可调谐液晶光栅。采用偏光显微镜和原子力显微镜对光栅的形貌进行检测

并利用He-Ne激光器对光栅的电光特性进行测定。结果表明

该光栅具有清晰的二维结构

衍射图样为空间点阵

衍射效率具有电场可调谐性。实验表明

改进的光路设计可制备多种形式的可调谐液晶器件。

Abstract

An experiment setup with a single-step exposure to prepared 2D grating was designed. A 2D grating based on polymer dispersed liquid crystal (PDLC) with better electro-optical property was fabricated through single-step exposure setup. The sample was checked by POM

AFM and He-Ne laser. The results indicate the samples have clear 2D grating structure

and some fairly ordered lattices in the visual field

and the diffraction efficiencies can be modulated by electric field. All results in this work show that multiple types of electrically tuning liquid crystal devices could be made by design of optical sketch.

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references

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. Bowley C C, Fontecchio A K, Crawford G P. Multiple gratings simultaneously formed in holographic polymer-dispersed liquid crystal displays [J]. Appl. Phys. Lett., 2000,76(5):523-525.

. Wu Shing-Trong, Fuh Andy Ying-Guey.Two-dimensional diffraction grating based on polymer-dispersed liquid crystal[J]. Appl. Phys., 2004,43(10):7077-7082.

. 马骥,刘永刚,于涛,等. 全息法制备二维电调谐聚合物/液晶光栅[J]. 液晶与显示 ,2005,20(2): 115-118.

. Kossyrev P, Sousa M E, Crawford P G. One- and two- dimensional structured polymer networks in liquid crystals for switchable diffractive optical applications[J] . Adv. Funct. Mater., 2004,14(12):1227-1232.

. Jakubiak R, Tondiglia V P, Natarajan L V, et al. Dynamic lasing from all-organic two-dimensional photonic crystals[J]. Adv. Mater., 2005,17(23):2807-2811.

. 王丽, 张成,幺周石,等. 液晶衍射光栅的理论分析[J]. 液晶与显示 ,2006,21(2):113-119.

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